Tag Archives: Vigenère

The KRYPTOS Code — The Solution of Section II

“And having thus chosen our course, without guile, and with pure purpose, let us renew our trust in God, and go forward without fear, and with manly hearts.” Abraham Lincoln — Address to congress (July 4th, 1861) The ciphertext on … Continue reading

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The KRYPTOS Code — How to Break a Vigenère Code

“I genuinely enjoyed working on the Kryptos ciphers. Professional cryptographers almost certainly could have broken these codes much faster, and would have used superior methods. But I doubt that they would have derived as much satisfaction as I have. I … Continue reading

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